約化寬度 的英文怎麼說

中文拼音 [yāohuàkuāndù]
約化寬度 英文
reduced width
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Head about 1 / 5 of its total length ; body naked, with only one row of lateral line canal scales in both side

    頭長約為全長的1 5 ，骨化程度高。背鰭基寬，約為全長的1 4左右。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. It is pointed that the concept of the acoustical design for gymnasiums should be an entity of the architectural acoustics and the designs of sound reinforcement that the concept of traditional optimal reverberation time in gymnasiums, which is actually the optimal articulation obtained by reverberation time and sound reinforcement, doesn ' t exist, and that the reverberation time in existing code for acoustical on gymnasiums can be widen

    指出：體育館聲學設計的概念應該是建築聲學和擴聲系統設計的統一體；體育館不存在傳統最佳混響時間的概念，體育館「最佳混響」就是混響時間和擴聲系統結合達到的最佳清晰度概念；現行體育館建築聲學標準中混響時間可以放寬，其意義在於擴聲系統和聲學裝修的優化結合，從而節約國家相關建設投資。
  4. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  5. In gan hemt drain pulse current collapse experiments, drain current under pulse condition collapsed about 50 % than direct current condition and the pulse signal frequency affected little on current collapse. when gate voltage is small, the relationship between pulse width and drain current is i0 ( + t / 16 )

    在ganhemt漏極脈沖電流崩塌測試中，發現脈沖條件下漏極電流比直流時減小大約50 % ;脈沖信號頻率對電流崩塌效應影響較小;當柵壓較小時，隨著脈沖寬度的改變漏極電流按i0 （ + t / 16 ）的規律變化。
  6. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生變化，水流速度減緩，岸邊污染帶加寬，水體的環境容量降低；三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放；成庫期內庫區城鎮污水的治理很難達到水質要求，以及三峽庫區目前較低的經濟和城鎮化水平制約，庫區城鎮供水面臨的水環境問題日漸突出。
  7. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中，考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素，以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件，以輪帶的重量最輕為優化目標，通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  8. In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained

    本論文研究開發的輸電鐵塔獨立基礎優化設計cad系統，以最小費用為目標，採用簡單、有效、易於編程的有約束非線性規劃方法? ?網格搜索法，對輸電鐵塔獨立基礎進行優化設計，確定出基礎埋深、基柱寬度、底板寬度、底板厚度等合理截面尺寸，並開發出計算、出圖一體化的優化設計計算機輔助設計系統。
  9. In the most advanced 2 - d chips, this layer of silicon dioxide insulation measures just three nanometers ? about two dozen atoms ? in thickness

    在最先進的二維晶片中，二氧化矽絕緣層僅3奈米厚，大約是24顆原子的寬度。
  10. This paper builds the objective function of bandwidth about split, the restriction condition and the two - level optimized path based on bandwidth model, and decides optimized object, scope and step length of each step in the first level

    摘要在基於帶寬模型下建立通過帶寬度關于綠信比的目標函數和約束條件及二層優化路徑，通過計算來確定第1層每一步優化對象、范圍和優化步長。
  11. The structure and character of deformable mirror were analyzed, and the conflict between the deformation band and the pitch of deformable cells was pointed out. the " two - time compensation " wave - front correct mode was introduced to settle that conflict. the method for allocating wave - front aberration and designing static corrector was found, and the " two - time compensation " wave - front correct mode was validated by simulation

    分析了變形鏡的結構特點，初步給出了變形鏡本身驅動單元數與校正量之間的制約關系；引入「二次補償」波前校正方案，解決了變形鏡校正量有限與高功率固體激光系統波前誤差起伏量大的矛盾，建立了波前校正對象優化分配、靜態校正器優化設計等細節過程所需要的方法，通過模擬模擬驗證了「二次補償」波前校正方案對于降低變形鏡校正量要求和放寬光學元件加工精度的作用； 5
  12. The comparisons of analytical solutions of the model with numerical simulations of the nnlse show that the model is of excellent accuracy in the case of strong nonlocality and is still valid even if the characteristic length of the material response function approaches about three times of the total spatial extent occupied by the two beams

    數值解與解析解的比較結果顯示：在強非局域條件下我們所獲得的nnlse的簡化方程是十分精確合理的；當介質響應函數的特徵寬度約為光束所佔空間尺度的3倍時，我們推導的簡化方程依然適用。
  13. Based on adaptive transmission, in this paper, several key technologies are studied on the wide - band wireless digital communications. the basic idea is to decrease system spending, optimize the whole system performance, reduce computation complexity, shorten transmission delay, improve the real - time processing capability, and cut cost

    本文基於自適應傳輸的思想，對寬帶無線數字通信中的關鍵技術進行了研究，力圖節省系統開銷，從整體上優化系統性能，降低計算復雜度，縮短傳輸時延提高系統的實時處理能力，節約成本。
  14. In fact, the opening, the uncertainty and the disguise of the internet make it apt to combine with the transnational crime naturally, thus it has became a totally brand - new type of transnational crime. in this respect, our country ’ s research is comparatively weak. generally the relevant works only make an introduction and comparison to the legislation of cyber crime of various countries, while they do not introduce the international criminal legislation and practices of the cyber crime completely enough, and are lack of deep analysis and comment too

    從跨國犯罪的角度來重新審視網路犯罪，不僅可以跳出以往過于糾纏網路犯罪的概念、分類等傳統理論研究的框架，進一步拓寬網路犯罪研究的視野，而且有助於全面了解網路犯罪跨國化的趨勢對當今各國刑事立法與司法實踐所造成的影響和沖擊，並反思在防範網路犯罪的對策方面各國國內立法以及國際條約的利弊得失，也為我國司法部門解決實踐中的難題提供了參考。
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